Question

Why is rolling friction less than sliding friction? (Hint: Draw an illustration of the surfaces in contact
in both cases. In which case is the area of the contact surface greater?)​

Answer 1

Explanation:

Sliding friction is the force resisting the motion when a body slides on a surface. The force of friction depends on the area of contact between the two surfaces. As the area of contact is less in the case of rolling than in the case of sliding, rolling friction is less than the sliding friction.

Answer 2

Answer:

is rolling friction only a pinpoint of the object touches the surface but in sliding friction the whole surface of the object touch the whole surface of the another object ..

in sliding surface the area of contact is Greater

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